MiMi Auto Parts
THERMOSTAT 105°C, Cooltec

THERMOSTAT 105°C

Brand: Cooltec

SKU: 400052

Category: COOLING, THERMOSTAT

R1 147,70 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

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Fitment: Fits selected BMW models. Confirm exact fitment before ordering.

Product Description

The Cooltec Thermostat 105°C is a vital component in your BMW's cooling system, helping to regulate engine temperature for optimal performance. This thermostat features a plastic housing with an integrated electrical connector, designed for precise temperature control and efficient heat management. By maintaining the correct operating temperature, it ensures your engine runs smoothly and prevents overheating or inefficient combustion.

This thermostat is specifically designed for BMW models. To ensure compatibility, please confirm your vehicle’s model, year, engine size, and engine code before purchasing. The part is suitable for various BMW vehicles that require a 105°C thermostat within their cooling system.

Symptoms of a failing thermostat may include engine overheating, erratic temperature gauge readings, poor cabin heater performance, or coolant leaks around the thermostat housing. You might also notice increased fuel consumption or warning lights on your dashboard related to engine temperature.

Replace your thermostat if you experience any of these symptoms or during major cooling system maintenance. Timely replacement helps avoid costly engine damage and ensures your BMW’s engine remains within safe operating temperatures.

Order your Cooltec Thermostat 105°C from MiMi Auto Parts for reliable nationwide delivery across South Africa. Our team is ready to assist you in finding the right part for your BMW and ensuring a smooth shopping experience.

Common signs this part may need replacement

  • Engine overheating
  • Erratic or fluctuating temperature gauge readings
  • Poor cabin heater performance
  • Coolant leaks near the thermostat housing
  • Engine takes too long to reach operating temperature
  • Warning lights related to engine temperature
  • Increased fuel consumption
  • Rough engine performance when cold
  • Steam or boiling coolant from the engine bay

Typical replacement guidance

Replace the thermostat if you notice overheating, temperature fluctuations, or leaks around the housing. It is also advisable to replace it during major cooling system repairs or as part of scheduled maintenance to prevent engine damage.

Why timely replacement matters

A faulty thermostat can lead to overheating or inefficient engine operation, risking severe engine damage. Timely replacement ensures reliable cooling and prolongs engine life.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • BMW 1 (E81) 2006 – 2011 116 i (N45 B16 A) – 85 kW / 115 HP
  • BMW 1 (E81) 2006 – 2011 118 i (N46 B20 B) – 100 kW / 136 HP
  • BMW 1 (E81) 2006 – 2011 118 i (N46 B20 B) – 95 kW / 129 HP
  • BMW 1 (E81) 2006 – 2011 120 i (N46 B20 B|N46 B20 C) – 115 kW / 156 HP
  • BMW 1 (E87) 2004 – 2011 116 i (N45 B16 A) – 85 kW / 115 HP
  • BMW 1 (E87) 2004 – 2011 118 i (N46 B20 B) – 100 kW / 136 HP
  • BMW 1 (E87) 2004 – 2011 118 i (N46 B20 B) – 95 kW / 129 HP
  • BMW 1 (E87) 2004 – 2011 120 i (N46 B20 A|N46 B20 B|N46 B20 BD|N46 B20 C|N46 B20 CC) – 115 kW / 156 HP
  • BMW 1 (E87) 2004 – 2011 120 i (N46 B20 B|N46 B20 BD|N46 B20 C|N46 B20 CC) – 110 kW / 150 HP
  • BMW 1 Convertible (E88) 2007 – 2013 120 i (N46 B20 B|N46 B20 C|N46 B20 E) – 115 kW / 156 HP
  • BMW 3 (E46) 1997 – 2005 318 i (N42 B20 A|N46 B20 A|N46 B20 C) – 105 kW / 143 HP
  • BMW 3 (E90) 2004 – 2011 320 i (N46 B20 B|N46 B20 BD|N46 B20 C|N46 B20 CB) – 110 kW / 150 HP
  • BMW 3 (E90) 2004 – 2011 320 i (N46 B20 B|N46 B20 C|N46 B20 CC|N46 B20 CD|N46 B20 E) – 115 kW / 156 HP
  • BMW 3 Compact (E46) 2001 – 2004 318 ti (N42 B20 A|N46 B20 A) – 105 kW / 143 HP
  • BMW 3 Convertible (E46) 2000 – 2007 318 Ci (N42 B20 A|N46 B20 A) – 105 kW / 143 HP
  • BMW 3 Convertible (E93) 2006 – 2013 320 i (N46 B20 B|N46 B20 E) – 115 kW / 156 HP
  • BMW 3 Coupe (E46) 1998 – 2006 318 Ci (N42 B20 A) – 105 kW / 143 HP
  • BMW 3 Coupe (E92) 2006 – 2013 320 i (N46 B20 B) – 115 kW / 156 HP
  • BMW 3 Touring (E46) 1999 – 2005 318 i (N42 B20 A|N46 B20 A|N46 B20 C) – 105 kW / 143 HP
  • BMW 3 Touring (E91) 2004 – 2012 320 i (N46 B20 B|N46 B20 C) – 110 kW / 150 HP
  • BMW X1 (E84) 2009 – 2015 sDrive 18 i (N46 B20 B|N46 B20 BD|N46 B20 C|N46 B20 CC|N46 B20 CD|N46 B20 E) – 110 kW / 150 HP
  • BMW Z4 Roadster (E85) 2002 – 2009 2.0 i (N46 B20 B) – 110 kW / 150 HP

Fitment support

Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.

Installation note

Cooling system work involves draining and refilling coolant and may require specialised tools. Professional installation is recommended to ensure correct coolant mixture, bleeding of air from the system, and leak-free connections.

Frequently Asked Questions

What are the signs of a failing water pump?

Common signs may include coolant leaks near the front of the engine, engine overheating, a whining or grinding noise from the water pump area, or coolant loss without visible external leaks. Diagnosis should be confirmed before replacement.

Can I drive with a coolant leak?

Driving with a coolant leak is not recommended. Loss of coolant can lead to engine overheating and potentially serious engine damage. The vehicle should be inspected and the leak repaired before further driving.

Does this part fit my vehicle?

Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.

Is the price VAT-inclusive?

Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.

Do you deliver across South Africa?

Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.

Is professional installation recommended?

Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.

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